From patchwork Mon Oct 14 08:23:41 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 3034621 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 7F1F2BF924 for ; Mon, 14 Oct 2013 08:23:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5764A2028D for ; Mon, 14 Oct 2013 08:23:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 373CD20279 for ; Mon, 14 Oct 2013 08:23:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752525Ab3JNIXP (ORCPT ); Mon, 14 Oct 2013 04:23:15 -0400 Received: from mail-db9lp0253.outbound.messaging.microsoft.com ([213.199.154.253]:50135 "EHLO db9outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752125Ab3JNIXO (ORCPT ); Mon, 14 Oct 2013 04:23:14 -0400 Received: from mail155-db9-R.bigfish.com (10.174.16.246) by DB9EHSOBE025.bigfish.com (10.174.14.88) with Microsoft SMTP Server id 14.1.225.22; Mon, 14 Oct 2013 08:23:13 +0000 Received: from mail155-db9 (localhost [127.0.0.1]) by mail155-db9-R.bigfish.com (Postfix) with ESMTP id 13C073E02AC; Mon, 14 Oct 2013 08:23:13 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1f42h208ch1ee6h1de0h1fdah2073h1202h1e76h1d1ah1d2ah1fc6hzz1de098h1de097h8275dhz2dh87h2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h1151h1155h) X-FB-DOMAIN-IP-MATCH: fail Received: from mail155-db9 (localhost.localdomain [127.0.0.1]) by mail155-db9 (MessageSwitch) id 1381738991326932_29707; Mon, 14 Oct 2013 08:23:11 +0000 (UTC) Received: from DB9EHSMHS028.bigfish.com (unknown [10.174.16.242]) by mail155-db9.bigfish.com (Postfix) with ESMTP id 47F2E26013A; Mon, 14 Oct 2013 08:23:11 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by DB9EHSMHS028.bigfish.com (10.174.14.38) with Microsoft SMTP Server (TLS) id 14.16.227.3; Mon, 14 Oct 2013 08:23:11 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-005.039d.mgd.msft.net (10.84.1.17) with Microsoft SMTP Server (TLS) id 14.3.158.2; Mon, 14 Oct 2013 08:23:07 +0000 Received: from S2101-09.ap.freescale.net ([10.192.185.29]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id r9E8MxRH007437; Mon, 14 Oct 2013 01:23:05 -0700 From: Shawn Guo To: CC: Dong Aisheng , Chris Ball , , Shawn Guo Subject: [PATCH 2/5] mmc: sdhci-esdhc-imx: add flag ESDHC_FLAG_ENGCM07207 Date: Mon, 14 Oct 2013 16:23:41 +0800 Message-ID: <1381739024-24924-3-git-send-email-shawn.guo@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1381739024-24924-1-git-send-email-shawn.guo@linaro.org> References: <1381739024-24924-1-git-send-email-shawn.guo@linaro.org> MIME-Version: 1.0 X-OriginatorOrg: sigmatel.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add flag ESDHC_FLAG_ENGCM07207 for enabling the workaround for errata ENGcm07207 and set the flag for i.MX25 and i.MX35 ESDHC. Signed-off-by: Shawn Guo --- drivers/mmc/host/sdhci-esdhc-imx.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index e046917..a5d7d15 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -89,6 +89,11 @@ * exeception. Bit1 of Vendor Spec registor is used to fix it. */ #define ESDHC_FLAG_MULTIBLK_NO_INT BIT(1) +/* + * The flag enables the workaround for ESDHC errata ENGcm07207 which + * presents on i.MX25 and i.MX35. + */ +#define ESDHC_FLAG_ENGCM07207 BIT(2) enum imx_esdhc_type { IMX25_ESDHC, @@ -865,6 +870,9 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) if (is_imx25_esdhc(imx_data)) imx_data->flags |= ESDHC_FLAG_NO_DMAS_BITS; + if (is_imx25_esdhc(imx_data) || is_imx35_esdhc(imx_data)) + imx_data->flags |= ESDHC_FLAG_ENGCM07207; + imx_data->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); if (IS_ERR(imx_data->clk_ipg)) { err = PTR_ERR(imx_data->clk_ipg); @@ -905,7 +913,7 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; - if (is_imx25_esdhc(imx_data) || is_imx35_esdhc(imx_data)) + if (imx_data->flags & ESDHC_FLAG_ENGCM07207) /* Fix errata ENGcm07207 present on i.MX25 and i.MX35 */ host->quirks |= SDHCI_QUIRK_NO_MULTIBLOCK | SDHCI_QUIRK_BROKEN_ADMA;